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Registros recuperados: 5
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Cartographie du prisme sedimentaire Holocene en baie de Seine orientale, par sismique reflexion a haute definition ArchiMer
Auffret, J; D'Ozouville, L.
After the cartography of a Holocene sedimentary prism, results of 8,000 years of natural evolution and 150 years of coastal equipment, the authors research an active sedimentary system, characteristic of present evolution.
Tipo: Text Palavras-chave: Holocene; Sedimentary structures; Paleoceanography; Estuarine sedimentation; Sediment distribution; Seismic reflection profiling; Cartography.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-1273.pdf
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Guidelines for the Study of Shoreline Change in the Western Indian Ocean Region OceanDocs
Nyandwi, N.; Kairu, K..
This manual sets out an approach to the identification and monitoring of shoreline change and its causative processes at local and regional scales that is appropriate to the coastal management problems of the region as reported by the regional contributors. The approach aims to promote the targeting of sparse resources on the acquisition and provision of information that is most relevant to the management of the problem. The procedures for monitoring shoreline change and its contributory processes are described, including the use of accessible relevant regional information and data or meta-data sets.
Tipo: Book Palavras-chave: Oceanography; Environmental surveys; Environmental monitoring; Socioeconomic aspects; Sociological aspects; Coastal structures; Coastal zone; Coastal zone management; Sediment analysis; Sedimentary environments; Sedimentary rocks; Sedimentary structures; Environmental monitoring.
Ano: 2000 URL: http://hdl.handle.net/1834/2629
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Instabilites sous-marine etudiees par submersibles ArchiMer
Savoye, Bruno.
Sediment instability appears to be important as a part of global sedimentary budget. Among the various types of sedimentary instabilities, submarine slides are probably the most spectacular and the hardest to study and predict, although their consequences on human and industrial marine activities can be dramatic. IFREMER is conducting a research project on this topic. An area off Nice (France) has been particularly studied because of its recent activity. Mapping and instability area detection have been carried out. With the possibility of direct interactive observation and highly accurate submarine in -situ operation, the submersible is an extremely efficient tool for sediment studies, but diving purposes have to be precisely defined to provide useful...
Tipo: Text Palavras-chave: Sediments; Instability; Sedimentology; Sedimentary structures; Ocean floor; Marine technology; Geology; Submersibles; Unmanned vehicles.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/1990/acte-1150.pdf
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Marine influence in the Barreiras Formation, State of Alagoas, northeastern Brazil Anais da ABC (AABC)
Rossetti,Dilce F.; Góes,Ana M..
Tidal processes were important for deposition of the Barreiras Formation located in northern Brazil, while correlatable deposits in northeastern Brazil have been traditionally related to continental environments. Facies analysis in southern Alagoas revealed that the Barreiras Formation consists of cross-stratified conglomerates and sandstones (facies Sx and Cgx), compound cross-stratified sandstones (facies Cx), and heterolithic beddings (facies H). A significant portion of these deposits occurs within channel morphologies displaying fining and thinning upward successions. An abundance of sedimentary features is comparable to those from the northern Brazilian counterpart. These include: tidal bundles; herringbone cross-stratification; heterolithic beddings...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Miocene; Marine transgression; Tidal currents; Sedimentary structures; Northeastern Brazil.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652009000400012
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Mesures geotechniques par grand fond ArchiMer
Cochonat, Pierre; Dansy, G; Leduc, Bernard; Meunier, Jacques; Harmegnies, Francois; Floury, L.
The mechanical behaviour of sediments is usually studied from laboratory core analyses which do not take into account the real state of in-situ stresses. Therefore, the aimed purpose is presently to determine the in-situ geotechnical properties which mainly depend on the relationship between fine-grained particles and intergranular fluids. At IFREMER, these achievements have been pursued in the framework of 2 scientific program: "Nodules and Sedimentary Processes and Instability on Slopes, for which surficial measurements were conducted on selected seafloor targets usually pre-defined from high resolution geophysical data." 2 kinds of instrumentation were developed in correlation to 2 different strategies of handling at sea. There is the instrumentation of...
Tipo: Text Palavras-chave: Submarine cables; Deep sea mining; Offshore equipment; Geotechnology; Submersibles; Sedimentary structures; Sedimentology; Ferromanganese nodules; Instability; Marine technology; Sediments; Ocean floor; Deep water.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/1990/acte-1157.pdf
Registros recuperados: 5
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